129349880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1973}}^1$

素因数の和:2144

約数の個数: 64

約数和(自身を含む): 319788000

約数和(自身を除く): 190438120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 1973, 2980, 3278, 3946, 5960, 6556, 7892, 8195, 9865, 13112, 15784, 16390, 19730, 21703, 32780, 39460, 43406, 65560, 78920, 86812, 108515, 173624, 217030, 293977, 434060, 587954, 868120, 1175908, 1469885, 2351816, 2939770, 3233747, 5879540, 6467494, 11759080, 12934988, 16168735, 25869976, 32337470, 64674940, 129349880]

約数ペア:

[(1, 129349880), (2, 64674940), (4, 32337470), (5, 25869976), (8, 16168735), (10, 12934988), (11, 11759080), (20, 6467494), (22, 5879540), (40, 3233747), (44, 2939770), (55, 2351816), (88, 1469885), (110, 1175908), (149, 868120), (220, 587954), (298, 434060), (440, 293977), (596, 217030), (745, 173624), (1192, 108515), (1490, 86812), (1639, 78920), (1973, 65560), (2980, 43406), (3278, 39460), (3946, 32780), (5960, 21703), (6556, 19730), (7892, 16390), (8195, 15784), (9865, 13112)]